Added an unmodified copy of SCons to third_party.

scons-2.0.1/engine/SCons/Tool/dvipdf.py

+"""SCons.Tool.dvipdf
+
+Tool-specific initialization for dvipdf.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+__revision__ = "src/engine/SCons/Tool/dvipdf.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import SCons.Action
+import SCons.Defaults
+import SCons.Tool.pdf
+import SCons.Tool.tex
+import SCons.Util
+
+_null = SCons.Scanner.LaTeX._null
+
+def DviPdfPsFunction(XXXDviAction, target = None, source= None, env=None):
+    """A builder for DVI files that sets the TEXPICTS environment
+       variable before running dvi2ps or dvipdf."""
+
+    try:
+        abspath = source[0].attributes.path
+    except AttributeError :
+        abspath =  ''
+
+    saved_env = SCons.Scanner.LaTeX.modify_env_var(env, 'TEXPICTS', abspath)
+
+    result = XXXDviAction(target, source, env)
+
+    if saved_env is _null:
+        try:
+            del env['ENV']['TEXPICTS']
+        except KeyError:
+            pass # was never set
+    else:
+        env['ENV']['TEXPICTS'] = saved_env
+
+    return result
+
+def DviPdfFunction(target = None, source= None, env=None):
+    result = DviPdfPsFunction(PDFAction,target,source,env)
+    return result
+
+def DviPdfStrFunction(target = None, source= None, env=None):
+    """A strfunction for dvipdf that returns the appropriate
+    command string for the no_exec options."""
+    if env.GetOption("no_exec"):
+        result = env.subst('$DVIPDFCOM',0,target,source)
+    else:
+        result = ''
+    return result
+
+PDFAction = None
+DVIPDFAction = None
+
+def PDFEmitter(target, source, env):
+    """Strips any .aux or .log files from the input source list.
+    These are created by the TeX Builder that in all likelihood was
+    used to generate the .dvi file we're using as input, and we only
+    care about the .dvi file.
+    """
+    def strip_suffixes(n):
+        return not SCons.Util.splitext(str(n))[1] in ['.aux', '.log']
+    source = list(filter(strip_suffixes, source))
+    return (target, source)
+
+def generate(env):
+    """Add Builders and construction variables for dvipdf to an Environment."""
+    global PDFAction
+    if PDFAction is None:
+        PDFAction = SCons.Action.Action('$DVIPDFCOM', '$DVIPDFCOMSTR')
+
+    global DVIPDFAction
+    if DVIPDFAction is None:
+        DVIPDFAction = SCons.Action.Action(DviPdfFunction, strfunction = DviPdfStrFunction)
+
+    import pdf
+    pdf.generate(env)
+
+    bld = env['BUILDERS']['PDF']
+    bld.add_action('.dvi', DVIPDFAction)
+    bld.add_emitter('.dvi', PDFEmitter)
+
+    env['DVIPDF']      = 'dvipdf'
+    env['DVIPDFFLAGS'] = SCons.Util.CLVar('')
+    env['DVIPDFCOM']   = 'cd ${TARGET.dir} && $DVIPDF $DVIPDFFLAGS ${SOURCE.file} ${TARGET.file}'
+
+    # Deprecated synonym.
+    env['PDFCOM']      = ['$DVIPDFCOM']
+
+def exists(env):
+    return env.Detect('dvipdf')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: